What Are the Classification of Hydraulic Wrench?
Hydraulic torque wrench has drive hydraulic wrench and hollow hydraulic wrench two series.Driving hydraulic torque wrench is driven by the drive shaft to drive the corresponding specifications of the sleeve to achieve nut pre-tightening, as long as the torque range allows, according to the replacement of the corresponding high strength sleeve to complete different specifications of bolts, for the general hydraulic wrench, the scope of application is wide.Hollow hydraulic torque wrench is equipped with a transition sleeve for use.Generally speaking, the extension of the screw is relatively long, the space range is relatively small, the double nut, the bolt spacing is too small, the nut and the equipment wall are too small, or there are many difficult working conditions in some specific industries.
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